Abstract
Polyaniline–tin dioxide (PANI-SnO2) composites were prepared by chemical polymerization method, and characterized by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, and X-ray diffraction. Due to the good stability in diluted acidic solution, PANI-SnO2 composites were selected as the catalyst support and second catalyst for methanol electro-oxidation. The electrocatalytic properties of the PANI-SnO2 supported Pt catalyst (Pt/PANI-SnO2) for methanol oxidation have been investigated by cyclic voltammetry, chronoamperometry, and chronopotentiometry. Under the same loading mass of Pt, the Pt/PANI-SnO2 catalyst shows higher electrocatalytic activity towards methanol electro-oxidation than Pt/SnO2 catalyst.
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Acknowledgements
This work is supported by Program for New Century Excellent Talents in University (NCET-04-0765), National Natural Science Foundation of China (50172014, 20675027), and Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry (2001-498).
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Pang, H., Huang, C., Chen, J. et al. Preparation of polyaniline–tin dioxide composites and their application in methanol electro-oxidation. J Solid State Electrochem 14, 169–174 (2010). https://doi.org/10.1007/s10008-009-0892-4
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DOI: https://doi.org/10.1007/s10008-009-0892-4